20862840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7559}}^1$

素因数の和:7596

約数の個数: 64

約数和(自身を含む): 65318400

約数和(自身を除く): 44455560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 7559, 15118, 22677, 30236, 37795, 45354, 60472, 75590, 90708, 113385, 151180, 173857, 181416, 226770, 302360, 347714, 453540, 521571, 695428, 869285, 907080, 1043142, 1390856, 1738570, 2086284, 2607855, 3477140, 4172568, 5215710, 6954280, 10431420, 20862840]

約数ペア:

[(1, 20862840), (2, 10431420), (3, 6954280), (4, 5215710), (5, 4172568), (6, 3477140), (8, 2607855), (10, 2086284), (12, 1738570), (15, 1390856), (20, 1043142), (23, 907080), (24, 869285), (30, 695428), (40, 521571), (46, 453540), (60, 347714), (69, 302360), (92, 226770), (115, 181416), (120, 173857), (138, 151180), (184, 113385), (230, 90708), (276, 75590), (345, 60472), (460, 45354), (552, 37795), (690, 30236), (920, 22677), (1380, 15118), (2760, 7559)]